Riisa Naka acts as a goofy but cute girl, Akari whose mother had an accident. She is being told to travel to the year 1972 to convey a message to someone her mother likes. Well, the travelling antidote helps her to travel through time.

Riisa Naka acts as a goofy but cute girl, Akari whose mother had an accident. She is being told to travel to the year 1972 to convey a message to someone her mother likes. Well, the travelling antidote helps her to travel through time.

Takaki and Akari are two classmates in elementary school. During their time together they have become close friends. Their relationship is tested when Akari moves to another city because of her parents jobs. Both of them struggle to keep their friendship alive, as time and distance slowly pulls them apart. When Takaki finds out that he is moving further away, he decides to visit Akari one last time.